@inproceedings{inproceedingse52e6a14,
title   = {Low-Energy pion production in nucleon-nucleon scattering: Chiral simmetry and pion rescattering},
author = {Cavalcante, I P and Lima, Celso Luiz and Robilotta, Manoel Roberto and Timóteo, Varese Salvador},
year = {1997},
publisher = {IFUSP},
booktitle   = {Reunião de Trabalho Sobre Interações Hadrônicas}
}